Improvement in thread-guards for spools in sewing-machines



' G. WHEELOCK. SewingJVlachine Spool-Carrier.

Patented March 16.91869 Wav/'Zn essa@- C @f Inv@ 71,503

N. PETERS, Phuwumnmpnn wa-hlugm. n. a

UNITED STATES PATENT` OFFICE.

` IMPROVEMENT IN THREAD-GUARDS FOR SPOOLS IN SEWING-MACHINES.

Specification forming part of Letters Patent No. 87,810, dated March 16,1869.

To all whom it may concern:

Beit known that I, GEORGE WHEELooK,

I of Washington city, in the District of Columonto the spindle, when itbecomes-tangled and breaks, thus causing stoppage and much inconvenienceand delay in the operation of sew- 1ng.

The necessity for this invention will be at once conceded by all whohave been accustomed to much sewing.

It consists in so inclosing the spool, especially when full, in two coneor cup-shaped heads, which cause the unwinding thread-to incline towardthe middle of the spool instead of being allowed to kinkoff at the ends,which it is so liable to do froml the twist in the thread.

j' is the spindle of thegmachine, onto which may lirst be put a smalltube to form a shoulder, against which the thimble of the cup a a works,which thimble extends quite through the spool, and may be seen prolongedat d.

, lt also has two springs, g gf, soldered or struck from same piece toit to hold the spool centrally, or so that the spool will be heldiirmly.

After the spool-thimble d is in place and so adjusted as to turnsmoothly and freely on the spindlef the thimble e is placed tightly onthe spindlefin front of thimble d, which thimble e performs the officeota washer, against which thimble d tugns. These parts may be regardedas permanent fixtures. The spool is now slipped. on over thimble c ontod and against the disk or cup a a', where it is held by springs g g. Thespool is followed by a conical cup or disk, b, the thimble b of which islarge enough to slip over the thimbles d and e. The concave sides of thecups are toward each other, as represented. y

For larger spools, I prefer two cups more concave, so as to allow aboutthe same distance between the edges.

In using the device itis only necessary to remove cup 11 to remove thespool.

Having described my invention, what I claim isl. The conical cups d b,in combination with thimbles d In', substantially as and for the purposelset forth.

2. Thimbles d and b, in combination with cups a and b, springs g g', andthimble e, as described and set forth.

' GEO. WHEELOCK.

Witnesses:

M. D. OvERAcKER, H. C. LELAND.

